80801346697 has 4 divisors (see below), whose sum is σ = 82985166916. Its totient is φ = 78617526480.

The previous prime is 80801346677. The next prime is 80801346707. The reversal of 80801346697 is 79664310808.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76612150521 + 4189196176 = 276789^2 + 64724^2 .

It is a cyclic number.

It is not a de Polignac number, because 80801346697 - 2¹⁹ = 80800822409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80801346677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091910054 + ... + 1091910127.

It is an arithmetic number, because the mean of its divisors is an integer number (20746291729).

Almost surely, 2^80801346697 is an apocalyptic number.

It is an amenable number.

80801346697 is a deficient number, since it is larger than the sum of its proper divisors (2183820219).

80801346697 is a wasteful number, since it uses less digits than its factorization.

80801346697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183820218.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 80801346697 in words is "eighty billion, eight hundred one million, three hundred forty-six thousand, six hundred ninety-seven".